On Mon, Feb 26, 2024 at 07:38:17PM +0800, Yu Kuai wrote: > Any reason to use blk_mq_freeze/unfreeze_queue ? I don't think this is > meaningful for raid, this only wait for IO submission, not IO done. > > raid should already handle concurrent IO with reshape, so I think this > can just be removed. We can't just change limits under the driver if I/Os are being sumitted. That is one of the points of the whole queue limits exercises.
